| A | B |
|---|
| Louisiana Purchase | doubled the size of the United States |
| 1803 | the year the United States size doubled with the Louisiana Purchase |
| frontier | a far edge of a country where new people are just beginning to settle |
| pioneer | a settler who moves to an area that is new |
| One of the reasons settlers wanted to move west was | to find gold. |
| Land owned by a country | is a territory |
| Daniel Boone | explored the area currently known as Kentucky |
| Lewis and Clark | explorers hired to investigate the Louisiana Territory |
| Lewis and Clarks journey | lasted two years. |
